EA201001700A1 - METHOD OF OBTAINING 3- (2,2-DIMETHYL HYDRAZINO) METHYLPROPIONATE - Google Patents

METHOD OF OBTAINING 3- (2,2-DIMETHYL HYDRAZINO) METHYLPROPIONATE

Info

Publication number
EA201001700A1
EA201001700A1 EA201001700A EA201001700A EA201001700A1 EA 201001700 A1 EA201001700 A1 EA 201001700A1 EA 201001700 A EA201001700 A EA 201001700A EA 201001700 A EA201001700 A EA 201001700A EA 201001700 A1 EA201001700 A1 EA 201001700A1
Authority
EA
Eurasian Patent Office
Prior art keywords
methylpropionate
obtaining
dimethyl hydrazino
hydrazino
dimethyl
Prior art date
Application number
EA201001700A
Other languages
Russian (ru)
Other versions
EA017905B1 (en
Inventor
Дайна Зикане
Марис Туркс
Original Assignee
Гриндекс, Джоинт Сток Кампани
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP08156903A external-priority patent/EP2128126A1/en
Application filed by Гриндекс, Джоинт Сток Кампани filed Critical Гриндекс, Джоинт Сток Кампани
Publication of EA201001700A1 publication Critical patent/EA201001700A1/en
Publication of EA017905B1 publication Critical patent/EA017905B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C241/00—Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C07C241/02—Preparation of hydrazines

Abstract

The invention provides an improved, efficient method for preparing3-(2,2- dimethylhydrazino)methylpropionate.
EA201001700A 2008-05-26 2009-05-26 Process for preparing 3-(2,2-dimethylhydrazino)methylpropionate EA017905B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08156903A EP2128126A1 (en) 2008-05-26 2008-05-26 New process for the preparation of 3-(2,2,2-Trimethylhydrazinium) propionate dihydrate
EP08164565 2008-09-18
PCT/EP2009/056370 WO2009144221A1 (en) 2008-05-26 2009-05-26 Process for preparing 3-(2,2- dimethylhydrazino) methylpropionate

Publications (2)

Publication Number Publication Date
EA201001700A1 true EA201001700A1 (en) 2011-06-30
EA017905B1 EA017905B1 (en) 2013-04-30

Family

ID=40911903

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201001700A EA017905B1 (en) 2008-05-26 2009-05-26 Process for preparing 3-(2,2-dimethylhydrazino)methylpropionate

Country Status (6)

Country Link
EP (1) EP2282989B1 (en)
CN (1) CN102036949B (en)
AT (1) ATE528281T1 (en)
EA (1) EA017905B1 (en)
GE (1) GEP20125677B (en)
WO (1) WO2009144221A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104165965B (en) * 2014-06-12 2017-02-15 东力（南通）化工有限公司 Analysis method for determining content of mildronate bulk drug intermediate of 3-(2,2-dimethyl hydrazino)methyl propionate by non-aqueous titration
CN109369446A (en) * 2018-11-12 2019-02-22 东力（南通）化工有限公司 A kind of high-purity 3-(2,2,2- trimethyl hydrazine) methyl propionate salt bulk drug centre preparation

Also Published As

Publication number Publication date
EA017905B1 (en) 2013-04-30
WO2009144221A9 (en) 2010-04-29
CN102036949B (en) 2013-03-27
WO2009144221A1 (en) 2009-12-03
EP2282989A1 (en) 2011-02-16
GEP20125677B (en) 2012-10-25
EP2282989B1 (en) 2011-10-12
CN102036949A (en) 2011-04-27
ATE528281T1 (en) 2011-10-15

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): RU